[PATCH v10 17/22] drm/mediatek: add mediatek-drm plane color encoding info

[Nancy . Lin]

Add plane color encoding information for color space conversion.
It's a preparation for adding support for mt8195 ovl_adaptor mdp_rdma
csc control.

Signed-off-by: Nancy.Lin <nancy....@mediatek.com>
Reviewed-by: Chun-Kuang Hu <chunkuang...@kernel.org>
---
 drivers/gpu/drm/mediatek/mtk_drm_plane.c | 1 +
 drivers/gpu/drm/mediatek/mtk_drm_plane.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c 
b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
index 734a1fb052df..81bd5d6e8df5 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
@@ -137,6 +137,7 @@ static void mtk_plane_update_new_state(struct 
drm_plane_state *new_state,
        mtk_plane_state->pending.width = drm_rect_width(&new_state->dst);
        mtk_plane_state->pending.height = drm_rect_height(&new_state->dst);
        mtk_plane_state->pending.rotation = new_state->rotation;
+       mtk_plane_state->pending.color_encoding = new_state->color_encoding;
 }
 
 static void mtk_plane_atomic_async_update(struct drm_plane *plane,
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.h 
b/drivers/gpu/drm/mediatek/mtk_drm_plane.h
index d454bece9535..2d5ec66e3df1 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_plane.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.h
@@ -24,6 +24,7 @@ struct mtk_plane_pending_state {
        bool                            dirty;
        bool                            async_dirty;
        bool                            async_config;
+       enum drm_color_encoding         color_encoding;
 };
 
 struct mtk_plane_state {
-- 
2.18.0